Home / 139,923.63-192,898.98-118,326.62

Finding the Fourth Proportional to 139,923.63, 192,898.98 and 118,326.62

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Solution

The fourth proportional to 139,923.63, 192,898.98 and 118,326.62 is: 163,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,923.63 : 192,898.98 = 118,326.62 : x
  2. Step 2: Convert to fraction form
    139,923.63/192,898.98 = 118,326.62/x
  3. Step 3: Cross multiply
    139,923.63x = 192,898.98 × 118,326.62
  4. Step 4: Simplify right side
    139,923.63x = 22,825,083,340.35
  5. Step 5: Solve for x
    x = 22,825,083,340.35/139,923.63
  6. Step 6: Final answer
    x = 163,125.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.